[Basic and clinical problems of lymphatic tissue in pediatrics].
D000818:Animals; D000917:Antibody Formation; D002648:Child; D006801:Humans; D008198:Lymph Nodes / Q000502:physiology*; D008208:Lymphatic System / Q000254:growth & development; D011817:Rabbits; D013950:Thymus Gland / Q000502:physiology*